A dihydrochalcone and several homoisoflavonoids from Polygonatum odoratum are activators of adenosine monophosphate-activated protein kinase - Guo, H; Zhao, H; Kanno, Y; Li, W; Mu, Y; Kuang, X; Inouye, Y; Koike, K; Jiang, H; Bai, H (Bioorg Med Chem Lett, 2013)